Creating the perfect Macaroni Salad is easy if you follow these straightforward steps:

1. Cook the Elbow Macaroni: In a large pot of salted boiling water, cook the elbow macaroni according to package instructions until al dente. Drain and rinse under cold water to cool.
2. Prepare the Dressing: In a mixing bowl, whisk together mayonnaise, Dijon mustard, white vinegar, and sugar until well combined.
3. Combine Ingredients: In a large mixing bowl, add the cooled macaroni, diced celery, chopped bell pepper, diced red onion, and thawed peas. Gently mix to combine.
4. Add Dressing: Pour the prepared dressing over the macaroni mixture and gently fold until everything is evenly coated.
5. Season: Taste and add salt and pepper according to your preference.
6. Incorporate Eggs: If using, add the chopped hard-boiled eggs to the salad and mix gently to avoid breaking them up too much.
7. Chill: Cover the bowl with plastic wrap and refrigerate for at least 30 minutes to let the flavors meld.
8. Serve: Before serving, give the salad a quick stir and garnish with fresh parsley if desired.

These simple steps will guide you in making an incredible Macaroni Salad that everyone will adore!